_moduleLogger = logging.getLogger("gonvert_glade")
+PROFILE_STARTUP = False
gettext.bindtextdomain('gonvert', '/usr/share/locale')
gettext.textdomain('gonvert')
def __init__(self):
self._unitDataInCategory = None
- self._calcsuppress = False
self._unit_sort_direction = False
self._value_sort_direction = False
self._units_sort_direction = False
self._find_result = [] # empty find result list
self._findIndex = 0 # default to find result number zero
- self._selectedCategory = '' # preset to no selected category
+ self._selectedCategoryName = '' # preset to no selected category
self._defaultUnitForCategory = {} # empty dictionary for later use
#check to see if glade file is in current directory (user must be
change_menu_label(widgets, 'exitMenuItem', _('Exit'))
change_menu_label(widgets, 'toolsMenuItem', _('Tools'))
change_menu_label(widgets, 'clearSelectionMenuItem', _('Clear selections'))
- change_menu_label(widgets, 'writeUnitsMenuItem', _('Write Units'))
change_menu_label(widgets, 'helpMenuItem', _('Help'))
change_menu_label(widgets, 'aboutMenuItem', _('About'))
change_menu_label(widgets, 'findButton', _('Find'))
self._unitValue = widgets.get_widget('unitValue')
self._previousUnitName = widgets.get_widget('previousUnitName')
self._previousUnitValue = widgets.get_widget('previousUnitValue')
- messagebox = widgets.get_widget('msgbox')
- messageboxtext = widgets.get_widget('msgboxtext')
self._unitSymbol = widgets.get_widget('unitSymbol')
self._previousUnitSymbol = widgets.get_widget('previousUnitSymbol')
"on_categoryView_select_row": self._on_click_category,
"on_unitValue_changed": self._on_unit_value_changed,
"on_previousUnitValue_changed": self._on_previous_unit_value_changed,
- "on_writeUnitsMenuItem_activate": self._on_user_write_units,
"on_findButton_clicked": self._on_find_activate,
"on_findEntry_activated": self._on_find_activate,
"on_findEntry_changed": self._on_findEntry_changed,
"on_aboutMenuItem_activate": self._on_about_clicked,
- "on_messagebox_ok_clicked": self.messagebox_ok_clicked,
"on_clearSelectionMenuItem_activate": self._on_user_clear_selections,
"on_unitsView_cursor_changed": self._on_click_unit,
"on_shortlistcheck_toggled": self._on_shortlist_changed,
#If the 'selected_unts' has been stored, then extract self._defaultUnitForCategory from selections.
if 'selected_units' in selections:
self._defaultUnitForCategory = selections['selected_units']
- #Make sure that the 'self._selectedCategory' has been stored.
+ #Make sure that the 'self._selectedCategoryName' has been stored.
if 'selected_category' in selections:
#Match an available category to the previously selected category.
for counter in range(len(unit_data.UNIT_CATEGORIES)):
should therefore only be called when exiting the program.
Update selections dictionary which consists of the following keys:
- 'self._selectedCategory': full name of selected category
+ 'self._selectedCategoryName': full name of selected category
'self._defaultUnitForCategory': self._defaultUnitForCategory dictionary which contains:
[categoryname: #1 displayed unit, #2 displayed unit]
"""
#Determine the contents of the selected category row
selected, iter = self._categoryView.get_selection().get_selected()
- self._selectedCategory = self._categoryModel.get_value(iter, 0)
+ self._selectedCategoryName = self._categoryModel.get_value(iter, 0)
selections = {
- 'selected_category': self._selectedCategory,
+ 'selected_category': self._selectedCategoryName,
'selected_units': self._defaultUnitForCategory
}
selectionsDatPath = "/".join((constants._data_path_, "selections.dat"))
assert 0 < len(self._find_result)
#check if next find is in a new category (prevent category changes when unnecessary
- if self._selectedCategory != self._find_result[self._findIndex][0]:
+ if self._selectedCategoryName != self._find_result[self._findIndex][0]:
self._categoryView.set_cursor(
self._find_result[self._findIndex][2], self._categoryColumn, False
)
def _value_model_cmp(self, sortedModel, leftItr, rightItr):
#special sorting exceptions for ascii values (instead of float values)
- if self._selectedCategory == "Computer Numbers":
+ if self._selectedCategoryName == "Computer Numbers":
leftValue = self._unitModel.get_value(leftItr, 1)
rightValue = self._unitModel.get_value(rightItr, 1)
else:
return columns
def _switch_category(self, category):
- self._selectedCategory = category
- self._unitDataInCategory = unit_data.UNIT_DESCRIPTIONS[self._selectedCategory]
+ self._selectedCategoryName = category
+ self._unitDataInCategory = unit_data.UNIT_DESCRIPTIONS[self._selectedCategoryName]
#Fill up the units descriptions and clear the value cells
self._clear_visible_unit_data()
- for key in unit_data.get_units(self._selectedCategory):
+ for key in unit_data.get_units(self._selectedCategoryName):
iter = self._unitModel.append()
self._unitModel.set(iter, 0, key, 1, '', 2, self._unitDataInCategory[key][1])
self._sortedUnitModel.sort_column_changed()
def _select_default_unit(self):
# Restore the previous historical settings of previously selected units
# in this newly selected category
- if self._selectedCategory in self._defaultUnitForCategory:
- units = unit_data.get_units(self._selectedCategory)
-
- #Restore oldest selection first.
- if self._defaultUnitForCategory[self._selectedCategory][1]:
- unitIndex = units.index(self._defaultUnitForCategory[self._selectedCategory][1])
- self._unitsView.set_cursor(unitIndex, self._unitNameColumn, True)
-
- #Restore newest selection second.
- if self._defaultUnitForCategory[self._selectedCategory][0]:
- unitIndex = units.index(self._defaultUnitForCategory[self._selectedCategory][0])
- self._unitsView.set_cursor(unitIndex, self._unitNameColumn, True)
+ defaultPrimary = unit_data.get_base_unit(self._selectedCategoryName)
+ defaultSecondary = ""
+ if self._selectedCategoryName in self._defaultUnitForCategory:
+ if self._defaultUnitForCategory[self._selectedCategoryName][0]:
+ defaultPrimary = self._defaultUnitForCategory[self._selectedCategoryName][0]
+ if self._defaultUnitForCategory[self._selectedCategoryName][1]:
+ defaultSecondary = self._defaultUnitForCategory[self._selectedCategoryName][1]
+
+ units = unit_data.get_units(self._selectedCategoryName)
+
+ #Restore oldest selection first.
+ if defaultPrimary:
+ unitIndex = units.index(defaultPrimary)
+ self._unitsView.set_cursor(unitIndex, self._unitNameColumn, True)
+
+ #Restore newest selection second.
+ if defaultSecondary:
+ unitIndex = units.index(defaultSecondary)
+ self._unitsView.set_cursor(unitIndex, self._unitNameColumn, True)
# select the text so user can start typing right away
self._unitValue.grab_focus()
self._unitValue.select_region(0, -1)
+ def _sanitize_value(self, userEntry):
+ if self._selectedCategoryName == "Computer Numbers":
+ if userEntry == '':
+ value = '0'
+ else:
+ value = userEntry
+ else:
+ if userEntry == '':
+ value = 0.0
+ else:
+ value = float(userEntry)
+ return value
+
def _on_shortlist_changed(self, *args):
try:
raise NotImplementedError("%s" % self._shortlistcheck.get_active())
except Exception:
_moduleLogger.exception("")
- def _on_find_activate(self, a):
+ def _on_find_activate(self, *args):
try:
self._find_next()
self._findButton.grab_focus()
def _on_click_category(self, *args):
try:
selected, iter = self._categoryView.get_selection().get_selected()
+ if iter is None:
+ # User is typing in an invalid string, not selecting any category
+ return
selectedCategory = self._categoryModel.get_value(iter, 0)
self._switch_category(selectedCategory)
except Exception:
_moduleLogger.exception("")
- def _on_click_unit(self, row):
- self._calcsuppress = True #suppress calculations
-
- #Determine the contents of the selected row.
- selected, iter = self._unitsView.get_selection().get_selected()
-
- selected_unit = selected.get_value(iter, 0)
-
- unit_spec = self._unitDataInCategory[selected_unit]
-
- #Clear out the description
- text_model = gtk.TextBuffer(None)
- self._unitDescription.set_buffer(text_model)
-
- enditer = text_model.get_end_iter()
- text_model.insert(enditer, unit_spec[2])
+ def _on_click_unit(self, *args):
+ try:
+ selected, iter = self._unitsView.get_selection().get_selected()
+ selected_unit = selected.get_value(iter, 0)
+ unit_spec = self._unitDataInCategory[selected_unit]
- if self._unitName.get_text() != selected_unit:
- self._previousUnitName.set_text(self._unitName.get_text())
- self._previousUnitValue.set_text(self._unitValue.get_text())
- if self._unitSymbol.get() == None:
- self._previousUnitSymbol.set_text('')
- else:
+ if self._unitName.get_text() != selected_unit:
+ self._previousUnitName.set_text(self._unitName.get_text())
+ self._previousUnitValue.set_text(self._unitValue.get_text())
self._previousUnitSymbol.set_text(self._unitSymbol.get())
- self._unitName.set_text(selected_unit)
- self._unitValue.set_text(selected.get_value(iter, 1))
-
- self._unitSymbol.set_text(unit_spec[1]) # put units into label text
- if self._unitValue.get_text() == '':
- if self._selectedCategory == "Computer Numbers":
- self._unitValue.set_text("0")
- else:
- self._unitValue.set_text("0.0")
+ self._unitName.set_text(selected_unit)
+ self._unitValue.set_text(selected.get_value(iter, 1))
+ buffer = self._unitDescription.get_buffer()
+ buffer.set_text(unit_spec[2])
+ self._unitSymbol.set_text(unit_spec[1]) # put units into label text
- #For historical purposes, record this unit as the most recent one in this category.
- # Also, if a previous unit exists, then shift that previous unit to oldest unit.
- if self._selectedCategory in self._defaultUnitForCategory:
- if self._defaultUnitForCategory[self._selectedCategory][0]:
- self._defaultUnitForCategory[self._selectedCategory] = [selected_unit, self._defaultUnitForCategory[self._selectedCategory][0]]
- else:
- self._defaultUnitForCategory[self._selectedCategory] = [selected_unit, '']
-
- # select the text so user can start typing right away
- self._unitValue.grab_focus()
- self._unitValue.select_region(0, -1)
-
- self._calcsuppress = False #enable calculations
-
- def _on_unit_value_changed(self, a):
- if self._calcsuppress:
- #self._calcsuppress = False
- return
- # determine if value to be calculated is empty
- if self._selectedCategory == "Computer Numbers":
- if self._unitValue.get_text() == '':
- value = '0'
- else:
- value = self._unitValue.get_text()
- else:
if self._unitValue.get_text() == '':
- value = 0.0
- else:
- value = float(self._unitValue.get_text())
-
- if self._unitName.get_text() != '':
- func, arg = self._unitDataInCategory[self._unitName.get_text()][0] #retrieve the conversion function and value from the selected unit
- base = apply(func.to_base, (value, arg, )) #determine the base unit value
+ if self._selectedCategoryName == "Computer Numbers":
+ self._unitValue.set_text("0")
+ else:
+ self._unitValue.set_text("0.0")
- keys = self._unitDataInCategory.keys()
- keys.sort()
- del keys[0]
- row = 0
+ self._defaultUnitForCategory[self._selectedCategoryName] = [
+ self._unitName.get_text(), self._previousUnitName.get_text()
+ ]
- #point to the first row
- iter = self._unitModel.get_iter_first()
+ # select the text so user can start typing right away
+ self._unitValue.grab_focus()
+ self._unitValue.select_region(0, -1)
+ except Exception:
+ _moduleLogger.exception("")
- while iter:
- #get the formula from the name at the row
- func, arg = self._unitDataInCategory[self._unitModel.get_value(iter, 0)][0]
+ def _on_unit_value_changed(self, *args):
+ try:
+ if self._unitName.get_text() == '':
+ return
+ if not self._unitValue.is_focus():
+ return
- #set the result in the value column
- self._unitModel.set(iter, 1, str(apply(func.from_base, (base, arg, ))))
+ #retrieve the conversion function and value from the selected unit
+ value = self._sanitize_value(self._unitValue.get_text())
+ func, arg = self._unitDataInCategory[self._unitName.get_text()][0]
+ base = func.to_base(value, arg)
- #point to the next row in the self._unitModel
- iter = self._unitModel.iter_next(iter)
+ #point to the first row
+ for row in self._unitModel:
+ func, arg = self._unitDataInCategory[row[0]][0]
+ row[1] = str(func.from_base(base, arg))
- # if the second row has a unit then update its value
+ # Update the secondary unit entry
if self._previousUnitName.get_text() != '':
- self._calcsuppress = True
func, arg = self._unitDataInCategory[self._previousUnitName.get_text()][0]
- self._previousUnitValue.set_text(str(apply(func.from_base, (base, arg, ))))
- self._calcsuppress = False
-
- def _on_previous_unit_value_changed(self, a):
- if self._calcsuppress == True:
- #self._calcsuppress = False
- return
- # determine if value to be calculated is empty
- if self._selectedCategory == "Computer Numbers":
- if self._previousUnitValue.get_text() == '':
- value = '0'
- else:
- value = self._previousUnitValue.get_text()
- else:
- if self._previousUnitValue.get_text() == '':
- value = 0.0
- else:
- value = float(self._previousUnitValue.get_text())
+ self._previousUnitValue.set_text(str(func.from_base(base, arg, )))
+ except Exception:
+ _moduleLogger.exception("")
- if self._previousUnitName.get_text() != '':
- func, arg = self._unitDataInCategory[self._previousUnitName.get_text()][0] #retrieve the conversion function and value from the selected unit
- base = apply(func.to_base, (value, arg, )) #determine the base unit value
+ def _on_previous_unit_value_changed(self, *args):
+ try:
+ if self._previousUnitName.get_text() == '':
+ return
+ if not self._previousUnitValue.is_focus():
+ return
- keys = self._unitDataInCategory.keys()
- keys.sort()
- del keys[0]
- row = 0
+ #retrieve the conversion function and value from the selected unit
+ value = self._sanitize_value(self._previousUnitValue.get_text())
+ func, arg = self._unitDataInCategory[self._previousUnitName.get_text()][0]
+ base = func.to_base(value, arg)
#point to the first row
- iter = self._unitModel.get_iter_first()
-
- while iter:
- #get the formula from the name at the row
- func, arg = self._unitDataInCategory[self._unitModel.get_value(iter, 0)][0]
-
- #set the result in the value column
- self._unitModel.set(iter, 1, str(apply(func.from_base, (base, arg, ))))
-
- #point to the next row in the self._unitModel
- iter = self._unitModel.iter_next(iter)
-
- # if the second row has a unit then update its value
- if self._unitName.get_text() != '':
- self._calcsuppress = True
- func, arg = self._unitDataInCategory[self._unitName.get_text()][0]
- self._unitValue.set_text(str(apply(func.from_base, (base, arg, ))))
- self._calcsuppress = False
-
- def messagebox_ok_clicked(self, a):
- messagebox.hide()
-
- def _on_user_write_units(self, a):
- ''"Write the list of categories and units to stdout for documentation purposes.''"
- messagebox_model = gtk.TextBuffer(None)
- messageboxtext.set_buffer(messagebox_model)
- messagebox_model.insert_at_cursor(_(u'The units are being written to stdout. You can capture this printout by starting gonvert from the command line as follows: \n$ gonvert > file.txt'), -1)
- messagebox.show()
- while gtk.events_pending():
- gtk.mainiteration(False)
-
- total_categories = 0
- total_units = 0
- print 'gonvert-%s%s' % (
- constants.__version__,
- _(u' - Unit Conversion Utility - Convertible units listing: ')
- )
- for category_key in unit_data.UNIT_CATEGORIES:
- total_categories = total_categories + 1
- print category_key, ": "
- self._unitDataInCategory = unit_data.UNIT_DESCRIPTIONS[category_key]
- unit_keys = self._unitDataInCategory.keys()
- unit_keys.sort()
- del unit_keys[0] # do not display .base_unit description key
- for unit_key in unit_keys:
- total_units = total_units + 1
- print "\t", unit_key
- print total_categories, ' categories'
- print total_units, ' units'
+ for row in self._unitModel:
+ func, arg = self._unitDataInCategory[row[0]][0]
+ row[1] = str(func.from_base(base, arg))
+
+ # Update the primary unit entry
+ func, arg = self._unitDataInCategory[self._unitName.get_text()][0]
+ self._unitValue.set_text(str(func.from_base(base, arg, )))
+ except Exception:
+ _moduleLogger.exception("")
def _on_about_clicked(self, a):
dlg = gtk.AboutDialog()
raise
gonvert = Gonvert()
- gtk.main()
+ if not PROFILE_STARTUP:
+ gtk.main()
if __name__ == "__main__":
projects / gonvert / blobdiff